Rep. Gabrielle Giffords (D-Ariz.) and her husband, Mark Kelly, as they recited the Pledge of Allegiance at Sunday's memorial service in Tucson. Ross D. Franklin/AP hide caption

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Captain Mark Kelly hugs his wife, Rep. Gabrielle Giffords (D-Ariz.) at the White House in October. The White House/Getty Images hide caption

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Suzi Hileman inspects an aloe on her front porch on Wednesday, Aug. 24. Ron Medvescek/Courtesy Arizona Daily Star hide caption

itoggle caption Ron Medvescek/Courtesy Arizona Daily Star

Rep. Gabrielle Giffords last May. P.K. Weis/Facebook.com/GabrielleGiffords hide caption

itoggle caption P.K. Weis/Facebook.com/GabrielleGiffords

Rep. Gabrielle Giffords (D-AZ), center, is welcomed by her fellow members of the the House of Representatives as she appears on the floor for the first time since her shooting earlier this year. AP hide caption

itoggle caption AP

Taken on May 17, this photo of Rep. Gabrielle Giffords (left) and her mother, Gloria Giffords, was posted on her Facebook page on June 12. P.K. Weis/Facebook.com/GabrielleGiffords hide caption

itoggle caption P.K. Weis/Facebook.com/GabrielleGiffords